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Old 10-26-2016, 07:44 PM #2593
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Default Re: PERMANENT THREAD: Ebay& other internet FINDS of interest- read all the OP please

Another, really great photo's too

* 5000mW * 5 WATT blue green ARGON AR+ COHERENT LASER with OPTICS! | eBay


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Old 10-26-2016, 09:20 PM #2594
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Default Re: PERMANENT THREAD: Ebay& other internet FINDS of interest- read all the OP please

Quote:
Originally Posted by Alaskan View Post

Better suited to a museum/large paperweight. That's a really old head/system, from the late 60s/early 70s IIRC - one of the first Ar ions from Coherent. Graphite tube, not like the more "modern" ceramic tubes - and it's not one "piece" either, it's a bunch of graphite disks stacked on top of each other... Probably dead. Looks nice and clean at least... PSU may be useful. There are some threads about these and similar on PL.



That's a good deal on the Reliant if it's working - those are nice little Argon lasers, being self contained and such.
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Last edited by diachi; 10-26-2016 at 09:35 PM.
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Old 10-26-2016, 09:21 PM #2595
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Default Re: PERMANENT THREAD: Ebay& other internet FINDS of interest- read all the OP please

Quote:
Originally Posted by Alaskan View Post
This one's been listed for at least a year. He has a nice whitelight Ar/Kr listed too.
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Old 10-26-2016, 09:46 PM #2596
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Default Re: PERMANENT THREAD: Ebay& other internet FINDS of interest- read all the OP please

Quote:
Originally Posted by H2Oxide View Post
This one's been listed for at least a year. He has a nice whitelight Ar/Kr listed too.

I remember seeing it further back than that, unless it was the same model in the same condition listed by someone else. Not many of those around... See my other response though...
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Old 10-26-2016, 11:11 PM #2597
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Default Re: PERMANENT THREAD: Ebay& other internet FINDS of interest- read all the OP please

Pretty nice 173mw Laserglow 473nm labby, hasn't had any bites yet. I was very tempted but unfortunately don't have the cash right now, if it goes for $315 that's a pretty damn good deal and i'll kick myself, but once I start bidding, i'm in it to win it

Laserglow 473- 173mw
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Old 10-28-2016, 06:16 PM #2598
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Default Re: PERMANENT THREAD: Ebay& other internet FINDS of interest- read all the OP please

For those inclined, or crazy enough to work with NL crystals: Second Harmonic 473nm KNbO3, YAG:Nd Laser Crystals, Potassium Niobate 946nm | eBay
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Old 10-31-2016, 05:22 PM #2599
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Default Re: PERMANENT THREAD: Ebay& other internet FINDS of interest- read all the OP please

Quote:
Originally Posted by Alaskan View Post
Is this a beam expander? Might be of use to someone here:

Unknown Laser Lens. Beam Expander (Collimator?) ~ 35 mm. ~ 500-700 nm wavelength | eBay
Update:

From the seller

Quote:
New message from: vladis589 (429Turquoise Star)

AR Coating looks "Blue"(attached picture), so it'seems to be suitable
for green light and not for IR.

Please take a look on attached pictures.
I've measured the lens transmittion spectra again
(green line on "Grapf01") and also microscope slide glass
(purple line). 100% transmittion - at 800 nm.
I would like to attach the graph, but ebay makes the resolution too low, so I have asked for him to email a copy to me I can post here.
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Sincerely investigate any of these three short quotes as new concepts and you've taken your first step into a larger world:

"I regard consciousness as fundamental. I regard matter as derivative from consciousness..." - Max Planck. "Everything we call real is made of things that cannot be regarded as real" - Neils Bohr. "What we call physical things and events do not exist independently of subjective experience..." - Deepak Chopra.

Each of these three rabbit holes go deep, ending up in the same place.

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Old 11-02-2016, 04:27 PM #2600
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Default Re: PERMANENT THREAD: Ebay& other internet FINDS of interest- read all the OP please

Hmmm...... YAG 1064 to 532nm?

C132234 Sunrise Hyperion LTK Laser Eye System w/ Nd: YAG 532nm, Diode 635nm, Ho: | eBay
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Old 11-02-2016, 04:49 PM #2601
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Default Re: PERMANENT THREAD: Ebay& other internet FINDS of interest- read all the OP please

States 532nm 0.5mW Max , Its mainly a Holmium YAG laser @ 2120nm 400mJ pulse at 160uS according to the lable
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Old 11-02-2016, 05:00 PM #2602
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Default Re: PERMANENT THREAD: Ebay& other internet FINDS of interest- read all the OP please

Isn't that 2,500,000 watts of peak power from the Ho YAG? OK, I see the 532nm has .5 watts average, but I wonder at what pulse width? Perhaps it is just CW?
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Sincerely investigate any of these three short quotes as new concepts and you've taken your first step into a larger world:

"I regard consciousness as fundamental. I regard matter as derivative from consciousness..." - Max Planck. "Everything we call real is made of things that cannot be regarded as real" - Neils Bohr. "What we call physical things and events do not exist independently of subjective experience..." - Deepak Chopra.

Each of these three rabbit holes go deep, ending up in the same place.

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Last edited by Alaskan; 11-02-2016 at 05:04 PM. Reason: Looked at last photo on ebay, see the ratings now.
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Old 11-02-2016, 05:04 PM #2603
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Default Re: PERMANENT THREAD: Ebay& other internet FINDS of interest- read all the OP please

Its just how the label lists it , I think youll find its just a low power green and a pulsed Ho : Yag , it would state if the 532nm was pulsed like the Ho : YAG but as it dosent ,

Edit : it dose state in the label the 532nm is CW
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Old 11-02-2016, 05:10 PM #2604
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Default Re: PERMANENT THREAD: Ebay& other internet FINDS of interest- read all the OP please

I see it now

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Old 11-02-2016, 05:27 PM #2605
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Default Re: PERMANENT THREAD: Ebay& other internet FINDS of interest- read all the OP please

Quote:
Originally Posted by Alaskan View Post
Isn't that 2,500,000 watts of peak power from the Ho YAG? OK, I see the 532nm has .5 watts average, but I wonder at what pulse width? Perhaps it is just CW?

160uS at 0.4J is 2,500W peak.
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Old 11-02-2016, 05:28 PM #2606
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Default Re: PERMANENT THREAD: Ebay& other internet FINDS of interest- read all the OP please

That seems more reasonable for that long of a pulse, I must have done my math wrong.

Edit: yep, I used nano-seconds instead of microseconds, that's why my figure was wrong.
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Old 11-02-2016, 06:24 PM #2607
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Default Re: PERMANENT THREAD: Ebay& other internet FINDS of interest- read all the OP please

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Freight shipping though.

Unless you live close by and can pick it up yourself it probably won't be worth the hassle.
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Old 11-02-2016, 06:39 PM #2608
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Default Re: PERMANENT THREAD: Ebay& other internet FINDS of interest- read all the OP please

I can't buy it, but if I lived close enough I very well might.
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Sincerely investigate any of these three short quotes as new concepts and you've taken your first step into a larger world:

"I regard consciousness as fundamental. I regard matter as derivative from consciousness..." - Max Planck. "Everything we call real is made of things that cannot be regarded as real" - Neils Bohr. "What we call physical things and events do not exist independently of subjective experience..." - Deepak Chopra.

Each of these three rabbit holes go deep, ending up in the same place.

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